'use strict';

const {app, Menu, dialog, shell, BrowserWindow} = require('electron');

const ipcMain = require('electron').ipcMain;

const fs = require('fs');
const os = require('os');
const path = require('path');

const mainPage = 'file://' + __dirname + '/index.html';

const tray = require('./tray');
const appDetails = require('./package.json');

var localShortcut = require('electron-localshortcut');

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;
let isQuitting = false;

var createWindow = () => {
    // Create the browser window.
    mainWindow = new BrowserWindow({
        width: 1400,
        height: 800,
        icon: __dirname + '/app/img/markdownify.ico',
        title: appDetails.productName
    });

    // and load the index.html of the app.
    mainWindow.loadURL(mainPage);

    // Open the DevTools.
    // mainWindow.webContents.openDevTools();

    // Emitted when the window is closed.
    mainWindow.on('closed', () => {
        // Dereference the window object, usually you would store windows
        // in an array if your app supports multi windows, this is the time
        // when you should delete the corresponding element.
        mainWindow = null;
    });

    mainWindow.on('close', e => {
        if (!isQuitting) {
            e.preventDefault();
            if (process.platform === 'darwin') {
                app.hide();
            } else {
                mainWindow.hide();
            }
        }
    });

    //Open anchor links in browser
    mainWindow.webContents.on('will-navigate', (e, url) => {
        e.preventDefault();
        shell.openExternal(url);
    });

    //Set native menu bar
    var template = [
        {
            label: "&File",
            submenu: [
                {
                    label: "New",
                    accelerator: "CmdOrCtrl+N",
                    click: () => {
                        var focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('file-new');
                    }
                },
                {
                    label: "Open",
                    accelerator: "CmdOrCtrl+O",
                    click: () => {
                        let focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('file-open');
                    }
                },
                {
                    label: "Save",
                    accelerator: "CmdOrCtrl+S",
                    click: () => {
                        let focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('file-save');
                    }
                },
                {
                    label: "Save As",
                    accelerator: "CmdOrCtrl+Shift+S",
                    click: () => {
                        var focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('file-save-as');
                    }
                },
                {
                    label: "Export As PDF",
                    accelerator: "CmdOrCtrl+Shift+P",
                    click: () => {
                        var focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('file-pdf');
                    }
                },
                {
                    label: "Git Config",
                    accelerator: "CmdOrCtrl+Shift+C",
                    click: () => {
                        openConfigWindow();
                    }
                },
                {
                    label: "Git Push",
                    accelerator: "CmdOrCtrl+Shift+U",
                    click: () => {
                        exec(cd2root(" git add * && git commit -m 'UpdateByMarkDownify' && git push",true));
                    }
                },
                {
                    label: "Git Pull",
                    accelerator: "CmdOrCtrl+Shift+D",
                    click: () => {
                        exec(cd2root("git pull",true));
                    }
                },
                {
                    label: "Quit",
                    accelerator: "CmdOrCtrl+Shift+Q",
                    click: () => {
                        app.quit();
                    }
                }
            ]
        },
        {
            label: "&Edit",
            submenu: [
                {
                    label: "Undo",
                    accelerator: "CmdOrCtrl+Z",
                    role: "undo"
                },
                {
                    label: "Redo",
                    accelerator: "Shift+CmdOrCtrl+Z",
                    role: "redo"
                },
                {
                    type: "separator"
                },
                {
                    label: "Cut",
                    accelerator: "CmdOrCtrl+X",
                    role: "cut"
                },
                {
                    label: "Copy",
                    accelerator: "CmdOrCtrl+C",
                    role: "copy"
                },
                {
                    label: "Paste",
                    accelerator: "CmdOrCtrl+V",
                    role: "paste"
                },
                {
                    label: "Select All",
                    accelerator: "CmdOrCtrl+A",
                    role: 'selectall'
                },
                {
                    type: "separator"
                },
                {
                    label: "Search",
                    accelerator: "CmdOrCtrl+F",
                    click: () => {
                        let focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('ctrl+f');
                    }
                },
                {
                    label: "Replace",
                    accelerator: "CmdOrCtrl+Shift+F",
                    click: () => {
                        let focusedWindow = BrowserWindow.getFocusedWindow();
                        focusedWindow.webContents.send('ctrl+shift+f');
                    }
                }
            ]
        },
        {
            label: "&View",
            submenu: [
                {
                    label: "Toggle Full Screen",
                    accelerator: "F11",
                    click: () => {
                        let focusedWindow = BrowserWindow.getFocusedWindow();
                        let isFullScreen = focusedWindow.isFullScreen();
                        focusedWindow.setFullScreen(!isFullScreen);
                    }
                }
            ]
        },
        {
            label: "&Help",
            submenu: [
                {
                    label: "Documentation",
                    click: () => {
                        shell.openExternal(appDetails.repository.docs);
                    }
                },
                {
                    label: "Report Issue",
                    click: () => {
                        shell.openExternal(appDetails.bugs.url);
                    }
                },
                {
                    label: "About Markdownify",
                    click: () => {
                        dialog.showMessageBox({
                            title: "About Markdownify",
                            type: "info",
                            message: "A minimal Markdown Editor desktop app. \nMIT Copyright (c) 2016 Amit Merchant <bullredeyes@gmail.com>",
                            buttons: ["Close"]
                        });
                    }
                }
            ]
        }
    ];

    ipcMain.on('print-to-pdf', (event, filePath) => {

        const win = BrowserWindow.fromWebContents(event.sender)
        // Use default printing options
        win.webContents.printToPDF({pageSize: 'A4'}, (error, data) => {
            if (error) throw error;
            fs.writeFile(filePath, data, (error) => {
                if (error) {
                    throw error
                }
            })
        })

    });
    ipcMain.on('gitclone', (event, gitconfig) => {
        console.log("[INFO]  " + JSON.stringify(gitconfig));
        showDialog("gitconfig:" + gitconfig.repositories);
        exec(cd2root("git clone " + gitconfig.repositories));
    });

    Menu.setApplicationMenu(Menu.buildFromTemplate(template));

    // Registering shortcuts for formatting markdown
    localShortcut.register(mainWindow, 'Ctrl+B', () => {
        mainWindow.webContents.send('ctrl+b');
    });

    localShortcut.register(mainWindow, 'Ctrl+I', () => {
        mainWindow.webContents.send('ctrl+i');
    });

    localShortcut.register(mainWindow, 'Ctrl+/', () => {
        mainWindow.webContents.send('ctrl+/');
    });

    localShortcut.register(mainWindow, 'Ctrl+L', () => {
        mainWindow.webContents.send('ctrl+l');
    });

    localShortcut.register(mainWindow, 'Ctrl+H', () => {
        mainWindow.webContents.send('ctrl+h');
    });

    localShortcut.register(mainWindow, 'Ctrl+Alt+I', () => {
        mainWindow.webContents.send('ctrl+alt+i');
    });

    localShortcut.register(mainWindow, 'Ctrl+Shift+T', () => {
        mainWindow.webContents.send('ctrl+shift+t');
    });

    tray.create(mainWindow);
};

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
app.on('ready', createWindow);

// Quit when all windows are closed.
app.on('window-all-closed', () => {
    // On OS X it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
        app.quit();
    }
});

app.on('activate', () => {
    // On OS X it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (mainWindow === null) {
        createWindow();
    }
});

app.on('before-quit', () => {
    isQuitting = true;
});

function openConfigWindow() {
    var newWin = new BrowserWindow({
        width: 600,
        height: 400,
        frame: false,
        parent: BrowserWindow.getFocusedWindow(), //win是主窗口
    });
    console.log("__dirname:" + __dirname);
    newWin.loadURL(path.join('file:', __dirname + "/app/", 'dialog.html')); //new.html是新开窗口的渲染进程
    newWin.on('closed', () => {
        newWin = null
    });
    localShortcut.register(newWin, 'Esc', () => {
        newWin.close();
    });
    // newWin.openDevTools();
    return newWin;
}

function showDialog(msg) {
    require('electron').dialog.showMessageBox({
        title: 'cmd'
        , type: 'info'
        , message: msg,
    })
}

function cd2root(cmd,is2Project) {
    var parse = JSON.parse(require('fs').readFileSync(__dirname+"/gitconfig.json", 'utf-8'));
    var dir = parse.dir+(is2Project?parse.name:"");
    var cd2dir = "";
    if (dir.lastIndexOf(":") > 0) {
        cd2dir += dir.substring(0, 2) + " && " + "cd " + dir;
        console.log("[INFO] win path" + cd2dir);
    } else {
        cd2dir = "cd " + dir;
    }
    cmd = cd2dir +  " && " + cmd;
    return cmd;
}

function exec(cmd) {
    console.log("[INFO] cmd "+cmd);
    require('child_process').exec(cmd, function (error, stdout, stderr) {
        // event.sender.send(receiveChannel, [error, stderr, stderr]);
        require('electron').dialog.showMessageBox({
            title: 'cmd'
            , type: 'info'
            , message: ">: " + cmd + '\r\n[stdout]:' + stdout + "\r\n[stderr]:" + stderr + "\r\n[error]:" + error
        })
    });
}


// const ipc = require('electron').ipcMain;
// const dialog = require('electron').dialog;

ipcMain.on('openDirDialog', function (event, receiveChannel) {
    dialog.showOpenDialog(mainWindow,
        {properties: ['openDirectory', "multiSelections"], defaultPath: __dirname}
        ,
        function (files) {
            if (files) event.sender.send(receiveChannel, files);
        }
    )
});

ipcMain.on('openFileDialog', function (event, receiveChannel) {
    dialog.showOpenDialog(mainWindow,
        {properties: ['openFile'], defaultPath: __dirname}
        ,
        function (files) {
            if (files) event.sender.send(receiveChannel, files)
        }
    )
});

